added 3 courses to courses/free-courses-it.md (#9374)

* added 3 courses to courses/free-courses-it.md

* removed creator affiliations

* Run fpblint error fixed

* youtube keyword removed from listing

courses/free-courses-it.md

@@ -4,6 +4,7 @@
 * [Android](#android)
 * [Architettura degli Elaboratori](#architettura-degli-elaboratori)
 * [Assembly](#assembly)
+* [Bash / Shell](#bash--shell)
 * [C](#c)
 * [C#](#csharp)
 * [C++](#cpp)
@@ -58,6 +59,11 @@
 * [Assembler x86](https://www.youtube.com/playlist?list=PLUJjY3hQLJ3NHQ9315KVvgiZ3v2FLtcbs)
 
 
+### Bash / Shell
+
+* [Programmazione di sistema - Bash](https://www.youtube.com/playlist?list=PLhlcRDRHVUzR-5TKDC1VPMtyhEyyQ5uwy) - Nicola Bicocchi
+
+
 ### C
 
 * [Corso di programmazione in C](https://www.youtube.com/playlist?list=PLO4y9a8lTpK2ugwPRLN_1oOrlzX9Zc9It) - R. Rizzi, Università di Verona
@@ -125,6 +131,7 @@
 * [Esercitazioni di Spring Boot](https://www.youtube.com/playlist?list=PLCbSCJEIR6CpGchit9OCI6fX_qVYs78d_) - Mauro Cicolella
 * [Java EE](https://www.youtube.com/playlist?list=PLjGYWJ4Dcy-erfReHXB9Ush0cREGSmyIe) - Sonia Zorba
 * [Programmazione a Oggetti (Java)](https://www.youtube.com/playlist?list=PLUFFnpJdi99kewGZIHpCDgarZER_-J1am) - M. Torchiano, Politecnico di Torino
+* [Programmazione ad Oggetti - Java](https://www.youtube.com/playlist?list=PLhlcRDRHVUzTruZmXalUSJAK26pouP8ST) - Nicola Bicocchi 
 
 
 ### JavaScript
@@ -172,6 +179,7 @@
 * [Corso Python 2016](https://www.youtube.com/playlist?list=PLA27EZBY5veOa-dbNIetJvyrAuoVy4zDD) - POuL Politecnico di Milano
 * [Corso rapido Python per principianti e per esempi](https://www.youtube.com/playlist?list=PL0qAPtx8YtJdbiBCoj4j6x_Ai6Vu9j5r9) - Fabrizio Camuso
 * [Le Basi di Python - Corso Completo](https://www.programmareinpython.it/video-corso-python-base/) - Michele Saba
+* [Programmazione ad Oggetti - Python](https://www.youtube.com/playlist?list=PLhlcRDRHVUzR2WHN9VTPZrawqRYHz5ALF) - Nicola Bicocchi
 
 
 ### Programmazione